| 1 | #ifndef HEADER_CURL_SETUP_ONCE_H
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| 2 | #define HEADER_CURL_SETUP_ONCE_H
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| 3 | /***************************************************************************
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| 4 | * _ _ ____ _
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| 5 | * Project ___| | | | _ \| |
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| 6 | * / __| | | | |_) | |
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| 7 | * | (__| |_| | _ <| |___
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| 8 | * \___|\___/|_| \_\_____|
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| 9 | *
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| 10 | * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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| 11 | *
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| 12 | * This software is licensed as described in the file COPYING, which
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| 13 | * you should have received as part of this distribution. The terms
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| 14 | * are also available at https://curl.se/docs/copyright.html.
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| 15 | *
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| 16 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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| 17 | * copies of the Software, and permit persons to whom the Software is
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| 18 | * furnished to do so, under the terms of the COPYING file.
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| 19 | *
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| 20 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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| 21 | * KIND, either express or implied.
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| 22 | *
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| 23 | * SPDX-License-Identifier: curl
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| 24 | *
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| 25 | ***************************************************************************/
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| 26 |
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| 27 |
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| 28 | /*
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| 29 | * Inclusion of common header files.
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| 30 | */
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| 31 |
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| 32 | #ifdef VBOX
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| 33 | # include <iprt/types.h>
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| 34 | #endif
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| 35 | #include <stdio.h>
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| 36 | #include <stdlib.h>
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| 37 | #include <string.h>
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| 38 | #include <stdarg.h>
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| 39 | #include <time.h>
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| 40 | #include <errno.h>
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| 41 |
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| 42 | #ifdef HAVE_SYS_TYPES_H
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| 43 | #include <sys/types.h>
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| 44 | #endif
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| 45 |
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| 46 | #ifdef NEED_MALLOC_H
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| 47 | #include <malloc.h>
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| 48 | #endif
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| 49 |
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| 50 | #ifdef NEED_MEMORY_H
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| 51 | #include <memory.h>
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| 52 | #endif
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| 53 |
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| 54 | #ifdef HAVE_SYS_STAT_H
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| 55 | #include <sys/stat.h>
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| 56 | #endif
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| 57 |
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| 58 | #ifdef HAVE_SYS_TIME_H
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| 59 | #include <sys/time.h>
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| 60 | #endif
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| 61 |
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| 62 | #ifdef _WIN32
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| 63 | #include <io.h>
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| 64 | #include <fcntl.h>
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| 65 | #endif
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| 66 |
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| 67 | #if defined(HAVE_STDBOOL_H) && defined(HAVE_BOOL_T)
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| 68 | #include <stdbool.h>
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| 69 | #endif
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| 70 |
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| 71 | #ifdef HAVE_UNISTD_H
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| 72 | #include <unistd.h>
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| 73 | #endif
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| 74 |
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| 75 | #ifdef USE_WOLFSSL
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| 76 | #include <stdint.h>
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| 77 | #endif
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| 78 |
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| 79 | #ifdef USE_SCHANNEL
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| 80 | /* Must set this before <schannel.h> is included directly or indirectly by
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| 81 | another Windows header. */
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| 82 | # define SCHANNEL_USE_BLACKLISTS 1
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| 83 | #endif
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| 84 |
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| 85 | #ifdef __hpux
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| 86 | # if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL)
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| 87 | # ifdef _APP32_64BIT_OFF_T
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| 88 | # define OLD_APP32_64BIT_OFF_T _APP32_64BIT_OFF_T
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| 89 | # undef _APP32_64BIT_OFF_T
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| 90 | # else
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| 91 | # undef OLD_APP32_64BIT_OFF_T
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| 92 | # endif
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| 93 | # endif
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| 94 | #endif
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| 95 |
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| 96 | #ifdef HAVE_SYS_SOCKET_H
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| 97 | #include <sys/socket.h>
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| 98 | #endif
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| 99 |
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| 100 | #include "functypes.h"
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| 101 |
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| 102 | #ifdef __hpux
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| 103 | # if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL)
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| 104 | # ifdef OLD_APP32_64BIT_OFF_T
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| 105 | # define _APP32_64BIT_OFF_T OLD_APP32_64BIT_OFF_T
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| 106 | # undef OLD_APP32_64BIT_OFF_T
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| 107 | # endif
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| 108 | # endif
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| 109 | #endif
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| 110 |
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| 111 | /*
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| 112 | * Definition of timeval struct for platforms that don't have it.
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| 113 | */
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| 114 |
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| 115 | #ifndef HAVE_STRUCT_TIMEVAL
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| 116 | struct timeval {
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| 117 | long tv_sec;
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| 118 | long tv_usec;
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| 119 | };
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| 120 | #endif
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| 121 |
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| 122 |
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| 123 | /*
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| 124 | * If we have the MSG_NOSIGNAL define, make sure we use
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| 125 | * it as the fourth argument of function send()
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| 126 | */
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| 127 |
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| 128 | #ifdef HAVE_MSG_NOSIGNAL
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| 129 | #define SEND_4TH_ARG MSG_NOSIGNAL
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| 130 | #else
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| 131 | #define SEND_4TH_ARG 0
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| 132 | #endif
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| 133 |
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| 134 |
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| 135 | #if defined(__minix)
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| 136 | /* Minix doesn't support recv on TCP sockets */
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| 137 | #define sread(x,y,z) (ssize_t)read((RECV_TYPE_ARG1)(x), \
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| 138 | (RECV_TYPE_ARG2)(y), \
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| 139 | (RECV_TYPE_ARG3)(z))
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| 140 |
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| 141 | #elif defined(HAVE_RECV)
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| 142 | /*
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| 143 | * The definitions for the return type and arguments types
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| 144 | * of functions recv() and send() belong and come from the
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| 145 | * configuration file. Do not define them in any other place.
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| 146 | *
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| 147 | * HAVE_RECV is defined if you have a function named recv()
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| 148 | * which is used to read incoming data from sockets. If your
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| 149 | * function has another name then don't define HAVE_RECV.
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| 150 | *
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| 151 | * If HAVE_RECV is defined then RECV_TYPE_ARG1, RECV_TYPE_ARG2,
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| 152 | * RECV_TYPE_ARG3, RECV_TYPE_ARG4 and RECV_TYPE_RETV must also
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| 153 | * be defined.
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| 154 | *
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| 155 | * HAVE_SEND is defined if you have a function named send()
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| 156 | * which is used to write outgoing data on a connected socket.
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| 157 | * If yours has another name then don't define HAVE_SEND.
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| 158 | *
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| 159 | * If HAVE_SEND is defined then SEND_TYPE_ARG1, SEND_QUAL_ARG2,
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| 160 | * SEND_TYPE_ARG2, SEND_TYPE_ARG3, SEND_TYPE_ARG4 and
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| 161 | * SEND_TYPE_RETV must also be defined.
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| 162 | */
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| 163 |
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| 164 | #define sread(x,y,z) (ssize_t)recv((RECV_TYPE_ARG1)(x), \
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| 165 | (RECV_TYPE_ARG2)(y), \
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| 166 | (RECV_TYPE_ARG3)(z), \
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| 167 | (RECV_TYPE_ARG4)(0))
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| 168 | #else /* HAVE_RECV */
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| 169 | #ifndef sread
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| 170 | /* */
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| 171 | Error Missing_definition_of_macro_sread
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| 172 | /* */
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| 173 | #endif
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| 174 | #endif /* HAVE_RECV */
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| 175 |
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| 176 |
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| 177 | #if defined(__minix)
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| 178 | /* Minix doesn't support send on TCP sockets */
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| 179 | #define swrite(x,y,z) (ssize_t)write((SEND_TYPE_ARG1)(x), \
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| 180 | (SEND_TYPE_ARG2)(y), \
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| 181 | (SEND_TYPE_ARG3)(z))
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| 182 |
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| 183 | #elif defined(HAVE_SEND)
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| 184 | #define swrite(x,y,z) (ssize_t)send((SEND_TYPE_ARG1)(x), \
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| 185 | (SEND_QUAL_ARG2 SEND_TYPE_ARG2)(y), \
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| 186 | (SEND_TYPE_ARG3)(z), \
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| 187 | (SEND_TYPE_ARG4)(SEND_4TH_ARG))
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| 188 | #else /* HAVE_SEND */
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| 189 | #ifndef swrite
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| 190 | /* */
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| 191 | Error Missing_definition_of_macro_swrite
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| 192 | /* */
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| 193 | #endif
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| 194 | #endif /* HAVE_SEND */
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| 195 |
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| 196 |
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| 197 | /*
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| 198 | * Function-like macro definition used to close a socket.
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| 199 | */
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| 200 |
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| 201 | #if defined(HAVE_CLOSESOCKET)
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| 202 | # define sclose(x) closesocket((x))
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| 203 | #elif defined(HAVE_CLOSESOCKET_CAMEL)
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| 204 | # define sclose(x) CloseSocket((x))
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| 205 | #elif defined(HAVE_CLOSE_S)
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| 206 | # define sclose(x) close_s((x))
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| 207 | #elif defined(USE_LWIPSOCK)
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| 208 | # define sclose(x) lwip_close((x))
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| 209 | #else
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| 210 | # define sclose(x) close((x))
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| 211 | #endif
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| 212 |
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| 213 | /*
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| 214 | * Stack-independent version of fcntl() on sockets:
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| 215 | */
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| 216 | #if defined(USE_LWIPSOCK)
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| 217 | # define sfcntl lwip_fcntl
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| 218 | #else
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| 219 | # define sfcntl fcntl
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| 220 | #endif
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| 221 |
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| 222 | /*
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| 223 | * 'bool' stuff compatible with HP-UX headers.
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| 224 | */
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| 225 |
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| 226 | #if defined(__hpux) && !defined(HAVE_BOOL_T)
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| 227 | typedef int bool;
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| 228 | # define false 0
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| 229 | # define true 1
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| 230 | # define HAVE_BOOL_T
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| 231 | #endif
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| 232 |
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| 233 |
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| 234 | /*
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| 235 | * 'bool' exists on platforms with <stdbool.h>, i.e. C99 platforms.
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| 236 | * On non-C99 platforms there's no bool, so define an enum for that.
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| 237 | * On C99 platforms 'false' and 'true' also exist. Enum uses a
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| 238 | * global namespace though, so use bool_false and bool_true.
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| 239 | */
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| 240 |
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| 241 | #ifndef VBOX /* VirtualBox */
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| 242 | #ifndef HAVE_BOOL_T
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| 243 | typedef enum {
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| 244 | bool_false = 0,
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| 245 | bool_true = 1
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| 246 | } bool;
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| 247 |
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| 248 | /*
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| 249 | * Use a define to let 'true' and 'false' use those enums. There
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| 250 | * are currently no use of true and false in libcurl proper, but
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| 251 | * there are some in the examples. This will cater for any later
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| 252 | * code happening to use true and false.
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| 253 | */
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| 254 | # define false bool_false
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| 255 | # define true bool_true
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| 256 | # define HAVE_BOOL_T
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| 257 | #endif
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| 258 | #endif
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| 259 |
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| 260 | /* the type we use for storing a single boolean bit */
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| 261 | #ifdef _MSC_VER
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| 262 | typedef bool bit;
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| 263 | #define BIT(x) bool x
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| 264 | #else
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| 265 | typedef unsigned int bit;
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| 266 | #define BIT(x) bit x:1
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| 267 | #endif
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| 268 |
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| 269 | /*
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| 270 | * Redefine TRUE and FALSE too, to catch current use. With this
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| 271 | * change, 'bool found = 1' will give a warning on MIPSPro, but
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| 272 | * 'bool found = TRUE' will not. Change tested on IRIX/MIPSPro,
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| 273 | * AIX 5.1/Xlc, Tru64 5.1/cc, w/make test too.
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| 274 | */
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| 275 |
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| 276 | #ifndef TRUE
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| 277 | #define TRUE true
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| 278 | #endif
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| 279 | #ifndef FALSE
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| 280 | #define FALSE false
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| 281 | #endif
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| 282 |
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| 283 | #include "curl_ctype.h"
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| 284 |
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| 285 |
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| 286 | /*
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| 287 | * Macro used to include code only in debug builds.
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| 288 | */
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| 289 |
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| 290 | #ifdef DEBUGBUILD
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| 291 | #define DEBUGF(x) x
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| 292 | #else
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| 293 | #define DEBUGF(x) do { } while(0)
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| 294 | #endif
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| 295 |
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| 296 |
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| 297 | /*
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| 298 | * Macro used to include assertion code only in debug builds.
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| 299 | */
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| 300 |
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| 301 | #undef DEBUGASSERT
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| 302 | #if defined(DEBUGBUILD)
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| 303 | #define DEBUGASSERT(x) assert(x)
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| 304 | #else
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| 305 | #define DEBUGASSERT(x) do { } while(0)
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| 306 | #endif
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| 307 |
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| 308 |
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| 309 | /*
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| 310 | * Macro SOCKERRNO / SET_SOCKERRNO() returns / sets the *socket-related* errno
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| 311 | * (or equivalent) on this platform to hide platform details to code using it.
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| 312 | */
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| 313 |
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| 314 | #ifdef USE_WINSOCK
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| 315 | #define SOCKERRNO ((int)WSAGetLastError())
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| 316 | #define SET_SOCKERRNO(x) (WSASetLastError((int)(x)))
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| 317 | #else
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| 318 | #define SOCKERRNO (errno)
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| 319 | #define SET_SOCKERRNO(x) (errno = (x))
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| 320 | #endif
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| 321 |
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| 322 |
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| 323 | /*
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| 324 | * Portable error number symbolic names defined to Winsock error codes.
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| 325 | */
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| 326 |
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| 327 | #ifdef USE_WINSOCK
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| 328 | #undef EBADF /* override definition in errno.h */
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| 329 | #define EBADF WSAEBADF
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| 330 | #undef EINTR /* override definition in errno.h */
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| 331 | #define EINTR WSAEINTR
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| 332 | #undef EINVAL /* override definition in errno.h */
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| 333 | #define EINVAL WSAEINVAL
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| 334 | #undef EWOULDBLOCK /* override definition in errno.h */
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| 335 | #define EWOULDBLOCK WSAEWOULDBLOCK
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| 336 | #undef EINPROGRESS /* override definition in errno.h */
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| 337 | #define EINPROGRESS WSAEINPROGRESS
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| 338 | #undef EALREADY /* override definition in errno.h */
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| 339 | #define EALREADY WSAEALREADY
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| 340 | #undef ENOTSOCK /* override definition in errno.h */
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| 341 | #define ENOTSOCK WSAENOTSOCK
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| 342 | #undef EDESTADDRREQ /* override definition in errno.h */
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| 343 | #define EDESTADDRREQ WSAEDESTADDRREQ
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| 344 | #undef EMSGSIZE /* override definition in errno.h */
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| 345 | #define EMSGSIZE WSAEMSGSIZE
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| 346 | #undef EPROTOTYPE /* override definition in errno.h */
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| 347 | #define EPROTOTYPE WSAEPROTOTYPE
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| 348 | #undef ENOPROTOOPT /* override definition in errno.h */
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| 349 | #define ENOPROTOOPT WSAENOPROTOOPT
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| 350 | #undef EPROTONOSUPPORT /* override definition in errno.h */
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| 351 | #define EPROTONOSUPPORT WSAEPROTONOSUPPORT
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| 352 | #define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
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| 353 | #undef EOPNOTSUPP /* override definition in errno.h */
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| 354 | #define EOPNOTSUPP WSAEOPNOTSUPP
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| 355 | #define EPFNOSUPPORT WSAEPFNOSUPPORT
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| 356 | #undef EAFNOSUPPORT /* override definition in errno.h */
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| 357 | #define EAFNOSUPPORT WSAEAFNOSUPPORT
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| 358 | #undef EADDRINUSE /* override definition in errno.h */
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| 359 | #define EADDRINUSE WSAEADDRINUSE
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| 360 | #undef EADDRNOTAVAIL /* override definition in errno.h */
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| 361 | #define EADDRNOTAVAIL WSAEADDRNOTAVAIL
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| 362 | #undef ENETDOWN /* override definition in errno.h */
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| 363 | #define ENETDOWN WSAENETDOWN
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| 364 | #undef ENETUNREACH /* override definition in errno.h */
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| 365 | #define ENETUNREACH WSAENETUNREACH
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| 366 | #undef ENETRESET /* override definition in errno.h */
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| 367 | #define ENETRESET WSAENETRESET
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| 368 | #undef ECONNABORTED /* override definition in errno.h */
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| 369 | #define ECONNABORTED WSAECONNABORTED
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| 370 | #undef ECONNRESET /* override definition in errno.h */
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| 371 | #define ECONNRESET WSAECONNRESET
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| 372 | #undef ENOBUFS /* override definition in errno.h */
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| 373 | #define ENOBUFS WSAENOBUFS
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| 374 | #undef EISCONN /* override definition in errno.h */
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| 375 | #define EISCONN WSAEISCONN
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| 376 | #undef ENOTCONN /* override definition in errno.h */
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| 377 | #define ENOTCONN WSAENOTCONN
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| 378 | #define ESHUTDOWN WSAESHUTDOWN
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| 379 | #define ETOOMANYREFS WSAETOOMANYREFS
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| 380 | #undef ETIMEDOUT /* override definition in errno.h */
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| 381 | #define ETIMEDOUT WSAETIMEDOUT
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| 382 | #undef ECONNREFUSED /* override definition in errno.h */
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| 383 | #define ECONNREFUSED WSAECONNREFUSED
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| 384 | #undef ELOOP /* override definition in errno.h */
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| 385 | #define ELOOP WSAELOOP
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| 386 | #ifndef ENAMETOOLONG /* possible previous definition in errno.h */
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| 387 | #define ENAMETOOLONG WSAENAMETOOLONG
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| 388 | #endif
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| 389 | #define EHOSTDOWN WSAEHOSTDOWN
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| 390 | #undef EHOSTUNREACH /* override definition in errno.h */
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| 391 | #define EHOSTUNREACH WSAEHOSTUNREACH
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| 392 | #ifndef ENOTEMPTY /* possible previous definition in errno.h */
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| 393 | #define ENOTEMPTY WSAENOTEMPTY
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| 394 | #endif
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| 395 | #define EPROCLIM WSAEPROCLIM
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| 396 | #define EUSERS WSAEUSERS
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| 397 | #define EDQUOT WSAEDQUOT
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| 398 | #define ESTALE WSAESTALE
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| 399 | #define EREMOTE WSAEREMOTE
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| 400 | #endif
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| 401 |
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| 402 | /*
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| 403 | * Macro argv_item_t hides platform details to code using it.
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| 404 | */
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| 405 |
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| 406 | #ifdef __VMS
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| 407 | #define argv_item_t __char_ptr32
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| 408 | #elif defined(_UNICODE)
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| 409 | #define argv_item_t wchar_t *
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| 410 | #else
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| 411 | #define argv_item_t char *
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| 412 | #endif
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| 413 |
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| 414 |
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| 415 | /*
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| 416 | * We use this ZERO_NULL to avoid picky compiler warnings,
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| 417 | * when assigning a NULL pointer to a function pointer var.
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| 418 | */
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| 419 |
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| 420 | #define ZERO_NULL 0
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| 421 |
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| 422 |
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| 423 | #endif /* HEADER_CURL_SETUP_ONCE_H */
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